28669900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{5851}}^1$

素因数の和:5879

約数の個数: 54

約数和(自身を含む): 72383388

約数和(自身を除く): 43713488

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 5851, 11702, 23404, 29255, 40957, 58510, 81914, 117020, 146275, 163828, 204785, 286699, 292550, 409570, 573398, 585100, 819140, 1023925, 1146796, 1433495, 2047850, 2866990, 4095700, 5733980, 7167475, 14334950, 28669900]

約数ペア:

[(1, 28669900), (2, 14334950), (4, 7167475), (5, 5733980), (7, 4095700), (10, 2866990), (14, 2047850), (20, 1433495), (25, 1146796), (28, 1023925), (35, 819140), (49, 585100), (50, 573398), (70, 409570), (98, 292550), (100, 286699), (140, 204785), (175, 163828), (196, 146275), (245, 117020), (350, 81914), (490, 58510), (700, 40957), (980, 29255), (1225, 23404), (2450, 11702), (4900, 5851)]